“Is it possible to let people taste the joy of making a positive impact for as little as a dollar? It’s tough to imagine how such a small donation could make a difference—unless you join forces with others. In 2012, Daniel Hawkins formed the Dollar Collective. Members each contribute one dollar, and the group decides what random act of generosity to perform with the pool of money. As their first act, they surprised a young couple out for Valentine’s Day and paid for their entire meal. And the couple who received the unexpected free meal? They decided to give the money they saved on dinner to a local charity (as well as buy some treats for their cat).”